Institutional
Twin Securities, Inc.
CIK 0001351351
$206.1M
Reported AUM
16
Positions
Q1 2026
Period
2026-05-15
Filed
The Brief · Twin Securities, Inc. · Q1 2026
AI · grounded in 13F
Twin Securities, Inc. closed its position in CYBR, reducing exposure by $59.39M. The fund also exited positions in EXK and RNAGBP, totaling reductions of $49.11M and $26.34M respectively. On the buy side, the fund established new positions in RVMD for $7.55M, ACLXGBX for $6.20M, and 430 for $6.11M. Additionally, the fund increased its share count in CWAN by 2260.57%.
Portfolio · Q1 2026
Top holdings
QoQ vs Q4 2025
| # | Stock | Issuer | Price | Day % | 1Y Gr. | 5Y Gr. | Value | % of book | Δ shares (QoQ) | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | EA | ELECTRONIC ARTS INC | $203.00 | -0.20% | 36.26% | 44.76% | $91.1M | 44.21% | +207,112 | +86.4% |
| 2 | WBD | WARNER BROS DISCOVERY INC | $26.24 | -2.81% | 167.21% | -9.55% | $35.7M | 17.32% | +164,826 | +14.5% |
| 3 | CWAN | CLEARWATER ANALYTICS HLDGS I | $24.37 | -0.04% | 1.92% | 8.41% | $27.5M | 13.36% | +1,114,776 | +2260.6% |
| 4 | HO1 | HOLOGIC INC | — | — | — | — | $13.5M | 6.57% | +94,523 | +111.8% |
| 5 | KVUE | KENVUE INC | $17.71 | 4.92% | -14.71% | -24.27% | $8.3M | 4.02% | +74,934 | +18.5% |
| 6 | RVMD | REVOLUTION MEDICINES INC | $149.23 | -4.15% | 263.18% | 421.05% | $7.5M | 3.66% | +77,593 | NEW |
| 7 | ACLXGBX | ARCELLX INC | — | — | — | — | $6.2M | 3.01% | +53,982 | NEW |
| 8 | 430 | TERNS PHARMACEUTICALS INC | — | — | — | — | $6.1M | 2.97% | +115,958 | NEW |
| 9 | APLSUSD | APELLIS PHARMACEUTICALS INC | — | — | — | — | $5.1M | 2.49% | +127,440 | NEW |
| 10 | K4F | ONESTREAM INC | — | — | — | — | $1.4M | 0.70% | +60,372 | NEW |
| 11 | TTWO | TAKE-TWO INTERACTIVE SOFTWAR | $214.39 | -1.04% | -7.88% | 23.62% | $1.3M | 0.62% | +6,500 | NEW |
| 12 | DAWNGBX | DAY ONE BIOPHARMACEUTICALS I | — | — | — | — | $678K | 0.33% | +31,626 | NEW |
| 13 | RNA | ATRIUM THERAPEUTICS INC | $11.81 | 0.13% | -20.00% | -11.74% | $667K | 0.32% | +49,913 | NEW |
| 14 | TIC | TIC SOLUTIONS INC | $8.50 | 1.43% | -19.89% | -24.64% | $509K | 0.25% | — | HELD |
| 15 | MANU | MANCHESTER UTD PLC NEW | $22.22 | 1.23% | 33.76% | 39.13% | $251K | 0.12% | +350 | +2.4% |
| 16 | SGRY | SURGERY PARTNERS INC | $13.78 | 0.51% | -40.88% | -74.87% | $119K | 0.06% | −160,233 | −94.1% |
| 17 | CYBR | CYBERARK SOFTWARE LTD | — | — | — | — | — | — | −133,145 | EXITED |
| 18 | EXK | EXACT SCIENCES CORP | $8.04 | 0.50% | 78.17% | 51.80% | — | — | −483,589 | EXITED |
| 19 | RNAGBP | AVIDITY BIOSCIENCES INC | — | — | — | — | — | — | −365,144 | EXITED |
| 20 | 8QR | CONFLUENT INC | — | — | — | — | — | — | −505,486 | EXITED |
| 21 | NSC | NORFOLK SOUTHN CORP | $313.45 | 2.04% | 27.32% | 35.06% | — | — | −25,200 | EXITED |
| 22 | DAY | DAYFORCE INC | — | — | — | — | — | — | −39,241 | EXITED |
| 23 | CDTX | CIDARA THERAPEUTICS INC | — | — | — | — | — | — | −4,900 | EXITED |
| 24 | MLYS | MINERALYS THERAPEUTICS INC | $22.85 | -3.52% | 46.96% | 51.28% | — | — | −16,737 | EXITED |
Source: SEC EDGAR · accession 0001172661-26-002293. 13F discloses long positions only — shorts, foreign equities, and options are excluded.